Battery box, energy storage system and electric equipment

Abstract

The utility model discloses a battery box, an energy storage system and electric equipment, and the battery box comprises a shell which comprises a first surface and a second surface, and a first channel hole penetrating through the shell is formed in the shell; and the wall hanging piece is arranged on the second surface of the shell, the wall hanging piece comprises a second channel hole, a cavity and an opening communicated with the cavity, and the second channel hole is communicated with the first channel hole and the cavity. According to the scheme, the wall hanging piece can achieve the effects of reinforcing the shell to prevent the shell from deforming and hanging the battery box at the same time, and meanwhile, the second channel hole, the cavity and the opening in the wall hanging piece can form a heat diffusion channel with the first channel hole in the shell so as to be used for discharging gas and electrolyte in a battery cell contained in the battery box; the wall hanging piece has multiple functions, so that the cost is reduced, and the working hours are saved.

Description

Technical Field

[0001] The present application relates to the field of battery technology, and more specifically to a battery box, an energy storage system, and electrical equipment. Background Art

[0002] In the related art, a side plate is provided inside the shell of the battery pack to tighten the battery cells; at the same time, a wall-mounted accessory is provided outside the battery pack to hang the battery pack on the wall; in addition, the battery pack is usually provided with a heat diffusion channel to avoid explosion and other problems caused by excessive pressure on the battery cells of the battery pack.

[0003] However, in the related art, the side panels, wall-mounted accessories and heat diffusion channels are separately provided, resulting in wasted space inside the battery pack, and further leading to increased man-hours and increased costs. Utility Model Content

[0004] A series of simplified concepts are introduced in the utility model content section, which will be further described in detail in the detailed implementation section. The utility model content section of the utility model does not mean to attempt to define the key features and essential technical features of the technical solution claimed for protection, nor does it mean to attempt to determine the scope of protection of the technical solution claimed for protection.

[0005] In view of the existing problems, the utility model provides a battery box, including:

[0006] A shell, comprising a first surface and a second surface opposite to the first surface, wherein a first passage hole penetrating the shell is provided in the shell; and

[0007] The wall hanging part is arranged on the second surface of the shell, and the wall hanging part comprises a second channel hole, a cavity and an opening connected to the cavity, and the second channel hole connects the first channel hole and the cavity.

[0008] Exemplarily, the wall hanging component includes a first reinforcing rib extending along the height direction of the battery box and a wall hook arranged on the first reinforcing rib.

[0009] Exemplarily, the opening is toward the top end of the wall mount.

[0010] Exemplarily, at least one fixing frame is further included, which is arranged on the first surface of the shell.

[0011] Exemplarily, two ends of the fixing frame are provided with folded edges, and the folded edges protrude along the height direction of the battery box.

[0012] Exemplarily, a side plate is further included, wherein the side plate is connected to the shell and forms a space with the shell for accommodating the battery core layer.

[0013] Exemplarily, it also includes a cover body, a connecting piece and a sealing piece, wherein the connecting piece is used to connect the cover body and the shell, and the sealing piece is arranged at the connection between the cover body and the shell.

[0014] Exemplarily, the sealing member includes a sealing strip, and the connecting member includes a step screw.

[0015] Another aspect of the utility model provides an energy storage system, comprising the above-mentioned battery box, and the energy storage system further comprises:

[0016] At least one battery core layer, wherein each of the battery core layers includes a plurality of battery cores, and the at least one battery core layer is disposed on the first surface of the shell.

[0017] Exemplarily, it also includes:

[0018] An explosion-proof valve, arranged on the battery cell;

[0019] A protection chamber is arranged on the battery core layer and covers the explosion-proof valve, and the protection chamber is formed with an opening facing the first channel hole.

[0020] Exemplarily, a heat-insulating layer is provided inside the protection chamber.

[0021] Exemplarily, the thermal insulation layer comprises silicone foam.

[0022] Exemplarily, it also includes a bracket, which is arranged on the battery core layer, and the protection chamber is arranged on the bracket, and the bracket is formed with a through hole that exposes the electrode pole of the battery core.

[0023] Exemplarily, it also includes a plurality of first connecting pieces, a plurality of second connecting pieces, a third connecting piece, a fourth connecting piece, a first fuse, a micro switch and an output terminal, wherein:

[0024] The plurality of first connecting sheets electrically connect adjacent battery cells in the same battery cell layer;

[0025] The plurality of second connecting sheets electrically connect the battery cells in adjacent battery cell layers;

[0026] The third connecting piece electrically connects the total positive electrode of the at least one battery core layer and the first fuse;

[0027] The fourth connecting sheet electrically connects the total negative electrode of the at least one battery core layer and the micro switch;

[0028] The micro switch is also electrically connected to the first fuse and the output terminal.

[0029] Exemplarily, it also includes a battery information collector and a sampling plate, which are arranged on the battery core layer relatively, the battery information collector is provided with a plurality of first sampling nickel sheets and a plurality of second sampling nickel sheets, and the sampling plate is provided with a plurality of third sampling nickel sheets, a plurality of fourth sampling nickel sheets and a plurality of second fuses, wherein:

[0030] The first sampling nickel sheet electrically connects the first connecting sheet, the second connecting sheet, the third connecting sheet and the fourth connecting sheet to the battery information collector respectively;

[0031] The second sampling nickel sheet is electrically connected to the battery information collector and the sampling pole of the battery cell;

[0032] The third sampling nickel sheet is electrically connected to the first connecting sheet and the second connecting sheet respectively, and is electrically connected to the fourth sampling nickel sheet through the second fuse;

[0033] The fourth sampling nickel sheet is electrically connected to the sampling pole of the battery cell.

[0034] On the other hand, the utility model provides an electrical device, which includes the above-mentioned battery box, or includes the above-mentioned energy storage system.

[0035] According to the battery box, energy storage system and electrical equipment of the utility model, the wall mount can simultaneously play the role of strengthening the shell to prevent deformation of the shell and wall-mounting the battery box. At the same time, the second channel hole, cavity and opening in the wall mount can also form a heat diffusion channel with the first channel hole on the shell to discharge the gas and electrolyte inside the battery cell accommodated in the battery box. The wall mount can perform multiple functions, thereby avoiding the waste of internal space of the battery box, thereby reducing costs and saving work hours. BRIEF DESCRIPTION OF THE DRAWINGS

[0036] By describing the embodiments of the present application in more detail in conjunction with the accompanying drawings, the above and other purposes, features and advantages of the present application will become more apparent. The accompanying drawings are used to provide a further understanding of the embodiments of the present application and constitute a part of the specification. Together with the embodiments of the present application, they are used to explain the present application and do not constitute a limitation of the present application. In the accompanying drawings, the same reference numerals generally represent the same components or steps.

[0037] Figure 1 This is a schematic structural diagram of a battery box according to a preferred embodiment of the present invention;

[0038] Figure 2 A schematic diagram of a side plate and a housing according to a preferred embodiment of the present invention;

[0039] Figure 3 This is an exploded schematic diagram of a battery box according to a preferred embodiment of the utility model;

[0040] Figure 4 This is a schematic diagram of a sealing member and a connecting member according to a preferred embodiment of the present invention;

[0041] Figure 5 A schematic diagram of the structure of an energy storage system according to a preferred embodiment of the present invention;

[0042] Figure 6 This is an enlarged schematic diagram of a bracket and a protective compartment in a preferred embodiment of the utility model;

[0043] Figure 7 A schematic diagram of packaging and connection of an energy storage system according to a preferred embodiment of the present utility model;

[0044] Figure 8 This is a schematic diagram of packaging and connection of an energy storage system according to another preferred embodiment of the present utility model;

[0045] Fig. 9 A sampling schematic diagram of an energy storage system according to a preferred embodiment of the utility model; and

[0046] Fig.10 A sampling schematic diagram of an energy storage system according to another preferred embodiment of the present utility model.

[0047] Description of reference numerals:

[0048] 100: Battery box 101: Cover

[0049] 110: battery core layer 120: shell

[0050] 121: First channel hole 122: Fixed frame

[0051] 123: Side plate 124: Second reinforcement rib

[0052] 130: Explosion-proof valve 140: Bracket

[0053] 141: Protective compartment 150: Wall mount

[0054] 151: Second channel hole 152: First reinforcement rib

[0055] 153: Wall hook 154: Opening

[0056] 161: first connecting piece 162: second connecting piece

[0057] 163: third connecting piece 164: fourth connecting piece

[0058] 165: First fuse 166: Micro switch

[0059] 167: Output terminal 170: Battery information collector

[0060] 171: Sampling plate 172: First sampling nickel sheet

[0061] 173: Second sampling nickel sheet 174: Third sampling nickel sheet

[0062] 175: The fourth sampling nickel sheet 176: The second fuse

[0063] 177: Sampling pole 180: Seal

[0064] 190: Connectors DETAILED DESCRIPTION

[0065] In the following description, a large number of specific details are given to provide a more thorough understanding of the present invention. However, it is obvious to those skilled in the art that the present invention can be implemented without one or more of these details. In other examples, in order to avoid confusion with the present invention, some technical features known in the art are not described.

[0066] In order to fully understand the implementation of the present invention, a detailed structure will be presented in the following description. Obviously, the implementation of the implementation of the present invention is not limited to the specific details familiar to those skilled in the art.

[0067] It should be understood that the purpose of the terms used herein is only to describe specific embodiments and is not intended to limit the present invention, and the singular forms "a", "an" and "said / the" are also intended to include plural forms, unless the context clearly indicates otherwise. When the terms "comprise" and / or "include" are used in this specification, it indicates the presence of the features, integral bodies, steps, operations, elements and / or components, but does not exclude the presence or addition of one or more other features, integral bodies, steps, operations, elements, components and / or combinations thereof.

[0068] Ordinal numbers such as "first" and "second" cited in the present invention are merely identifiers and do not have any other meaning, such as a specific order. Moreover, for example, the term "first component" itself does not imply the existence of a "second component", and the term "second component" itself does not imply the existence of a "first component". It should be noted that the terms "upper", "lower", "front", "back", "left", "right", "inner", "outer" and similar expressions used in the present invention are for illustrative purposes only and are not limiting.

[0069] Hereinafter, specific embodiments of the present invention will be described in more detail with reference to the accompanying drawings. These drawings show representative embodiments of the present invention and are not intended to limit the present invention.

[0070] Reference Figures 1 to 4 The battery box according to the embodiment of the utility model is exemplarily described. The battery box 100 includes a shell 120 and a wall mount 150, wherein: the shell 120 includes a first surface and a second surface opposite to the first surface, and a first channel hole 121 penetrating the shell 120 is provided in the shell 120; the wall mount 150 is provided on the second surface of the shell 120, and the wall mount 150 includes a second channel hole 151, a cavity, and an opening 154 connecting the cavity, and the second channel hole 151 connects the first channel hole 121 and the cavity. Exemplarily, as Figure 2 As shown, the battery box 100 is used to accommodate a battery core layer 110 , and the battery core layer 110 includes a plurality of battery cells.

[0071] In one example, the wall mount 150 can simultaneously strengthen the shell 120 to prevent deformation of the shell 120 and wall-mount the battery box 100. At the same time, the second channel hole 151, the cavity and the opening in the wall mount 150 can also form a heat diffusion channel with the first channel hole 121 on the shell 120 to discharge the gas and electrolyte inside the battery cell accommodated in the battery box 100. The wall mount 150 can perform multiple functions, thereby avoiding the internal space of the battery box 100 from being wasted, thereby reducing costs and saving work hours.

[0072] In one example, if Figure 1 As shown, the wall hanging part 150 includes a first reinforcing rib 152 extending along the height direction of the battery box 100 and a wall hook 153 arranged on the first reinforcing rib 152. Preferably, the wall hook 153 is arranged on the top of the first reinforcing rib 152. Exemplarily, the above-mentioned second channel hole 151, the cavity and the opening 154 connecting the cavity are all formed in the first reinforcing rib 152. Specifically, the second channel hole 151 is formed on the surface of the first reinforcing rib 152 that is in contact with the shell 120. Exemplarily, the opening 154 connecting the cavity is arranged at the top of the wall hanging part 150, specifically, at the top of the first reinforcing rib 152. Exemplarily, the wall hook 153 can be wall-hung on a wall. Exemplarily, the wall hook 153 is fixed to the first reinforcing rib 152 by screws, and the first reinforcing rib 152 is fixed to the second surface of the shell 120 by screws.

[0073] In one example, if Figure 1 As shown, there may be multiple first reinforcing ribs 152 , wherein only the first reinforcing rib 152 corresponding to the protection compartment 141 on the battery core layer 110 described below is provided with the second channel hole 151 , the cavity and the opening connecting the cavity.

[0074] In one example, if Figure 1 and Figure 2As shown, the battery box 100 further includes at least one fixing frame 122, which is disposed on the first surface of the shell 120. Specifically, the fixing frame 122 is used to fix the battery cell layer 110, and a plurality of fixing frames 122 may extend along the extension direction of the battery cells in the battery cell layer 110 accommodated in the battery box 100, and a plurality of fixing frames 122 may be arranged along the height direction of the battery box 100, and the battery cell layer 110 is disposed on adjacent fixing frames 122. Exemplarily, the fixing frame 122 is welded on the first surface of the shell 120, and the fixing frame 122 can fix the battery cells in the battery cell layer 110 in the height direction of the battery box 100 to prevent the battery cells from shaking in the height direction of the battery box 100.

[0075] Continue to refer to Figure 1 and Figure 2 , both ends of the fixing frame 122 may be provided with folded edges, which protrude in the height direction of the battery box 100. Specifically, both ends of the fixing frame 122 along the extension direction of the battery cell are provided with folded edges, which can fix the battery cells in the battery cell layer 110 in the extension direction of the battery cell to prevent the battery cell from shaking in the extension direction of the battery cell.

[0076] In one example, if Figure 3 and Figure 4 As shown, the battery box 100 also includes a side panel 123, which is connected to the shell 120 and forms a space for accommodating the battery layer 110 with the shell 120. Specifically, the side panel 123 is arranged on the other side of the battery layer 110 relative to the shell 120 and is connected to the shell 120. Exemplarily, the side panel 123 is connected to the shell 120 by screws. Exemplarily, the side panel 123 is also provided with a second reinforcing rib 124. Exemplarily, the side panel 123, the shell 120 and the wall hanging 150 can fix the battery cells in the battery layer 110 in the arrangement direction of the battery cells to prevent the battery cells from shaking in the arrangement direction of the battery cells. Exemplarily, the side panel 123, the shell 120, the wall hanging 150, the fixing frame 122 and the folding edge on the fixing frame can be used together to fix the battery cells in the contained battery layer 110 from three directions.

[0077] In one example, if Figure 3 and Figure 4As shown, the battery box 100 further includes a cover 101, a sealing member 180 and a connecting member 190, wherein the connecting member 190 is used to connect the cover 101 and the housing 120, and the sealing member 180 is arranged at the connection between the cover 101 and the housing 120. Specifically, the sealing member 180 includes a sealing strip, and the connecting member 190 includes a step screw, wherein: the sealing strip is bonded to the connection between the cover 101 and the housing 120 to achieve a sealing and waterproofing effect; and one end of the step screw is arranged on the cover 101, and the other end is arranged on the housing 120 to connect the cover 101 to the housing 120, and the compression amount of the sealing strip can be controlled by the thickness of the step screw, so as to better achieve the sealing and waterproofing functions of the battery box 100.

[0078] This completes the introduction to the structure of the battery box of the present invention. A complete battery box may also include other component structures, which will not be described in detail here.

[0079] In summary, the wall mount in the battery box of the embodiment of the utility model can simultaneously play the role of strengthening the shell to prevent deformation of the shell and wall-mounting the battery box. At the same time, the second channel hole, cavity and opening in the wall mount can also form a heat diffusion channel with the first channel hole on the shell to discharge the gas and electrolyte inside the battery cell accommodated in the battery box. The wall mount can perform multiple functions, thereby avoiding the waste of internal space of the battery box, thereby reducing costs and saving work hours.

[0080] The utility model also provides an energy storage system, referring to Figures 5 to 10 The energy storage system of the embodiment of the utility model is exemplarily described, and the energy storage system includes the above-mentioned battery box 100 and at least one battery core layer 110, wherein each battery core layer 110 includes multiple battery cells, and at least one battery core layer 110 is arranged on the first surface of the shell 120. Exemplarily, the energy storage system includes a battery pack. Exemplarily, the multiple battery core layers 110 can be arranged along the height direction or width direction of the above-mentioned battery box 100, and preferably, the multiple battery core layers 110 are arranged along the height direction of the battery box 100.

[0081] In one example, if Figure 5 As shown, the explosion-proof valve 130 and the protection chamber 141 are also included, wherein: the explosion-proof valve 130 is arranged on the battery cell in the battery cell layer 110; the protection chamber 141 is arranged on the battery cell layer 110 and covers the explosion-proof valve 130, and the protection chamber 141 is formed with an opening toward the first channel hole 121. Exemplarily, the explosion-proof valve 130 is arranged at the end of the battery cell along the extension direction of the battery cell, and the protection chamber is arranged at the end of the battery cell layer 110 along the extension direction of the battery cell.

[0082] In one example, specifically, the energy storage system can be hung on a wall through a wall mount 150 and matching accessories, and the wall mount 150 can also strengthen the shell 120 to prevent the shell from being deformed and tighten and fix the cells in the cell layer 110 to prevent the cells from being deformed. Exemplarily, the explosion-proof valve 130 is arranged at one end of the cell along the extension direction of the cell, and when the internal pressure or temperature of the cell exceeds a certain threshold, the explosion-proof valve 130 will crack and release gas to reduce the internal pressure, thereby preventing the occurrence of an explosion. Exemplarily, the protection chamber 141 covers the explosion-proof valve 130 and is formed with an opening toward the first channel hole 121 on the shell 120. When the explosion-proof valve 130 is cracked, the gas inside the battery cell is released to the protection chamber 141 via the explosion-proof valve 130, and is further released into the first channel hole 121 through the opening on the protection chamber 141; at the same time, the wall mount 150 includes a second channel hole 151, a cavity, and an opening 154 connecting the cavity, and the second channel hole 151 connects the first channel hole 121 and the cavity, so that the gas can be released into the cavity of the wall mount 150 via the first channel hole 121 and the second channel hole 151, and released to the outside through the opening connecting the cavity, that is, the second channel hole 151, the cavity, and the opening 154 of the wall mount 150 can form a heat diffusion channel with the explosion-proof valve 130, the protection chamber 141, and the first channel hole 121 on the shell 120, so as to be able to release the gas inside the battery cell in time when the explosion-proof valve 130 is cracked. The heat diffusion channel can also collect the electrolyte sprayed out from the battery cell when the explosion-proof valve 130 is broken. Specifically, the electrolyte sprayed out from the battery cell can be retained at the bottom of the cavity of the wall mount 150 .

[0083] In one example, a protection compartment 141 is provided at the end of each battery cell layer 110, and the first channel hole 121 and the second channel hole 151 correspond one-to-one to the protection compartment 141, so that a first channel hole 121 is provided at a position corresponding to the end of each battery cell layer 110 on the shell 120, and a second channel hole 151 is provided at a position corresponding to the end of each battery cell layer 110 on the wall mount 150.

[0084] In one example, a heat-insulating layer is provided inside the protection chamber 141, and the heat-insulating layer can improve the heat resistance and insulation of the protection chamber 141. In this embodiment, the material of the heat-insulating layer includes silicon foam. In other embodiments, the material of the heat-insulating layer can also be other materials such as heat-insulating cotton.

[0085] like Figure 6As shown, the energy storage system may further include a bracket 140, which is arranged on the battery layer 110, and the protection compartment 141 is arranged on the bracket 140. The bracket 140 is formed with a through hole for exposing the electrode pole of the battery cell, that is, the bracket 140 exposes the positive pole and the negative pole of the battery cell. Exemplarily, the bracket 140 is made of plastic. Exemplarily, the bracket 140 is arranged at the end of the battery layer 110 along the extension direction of the battery cell by a buckle.

[0086] In one example, if Figure 7 and Figure 8 As shown, the energy storage system further includes a plurality of first connecting pieces 161, a plurality of second connecting pieces 162, a third connecting piece 163, a fourth connecting piece 164, a first fuse 165, a micro switch 166 and an output terminal 167, wherein: the plurality of first connecting pieces 161 electrically connect adjacent cells in the same cell layer 110, and the plurality of second connecting pieces 162 electrically connect cells in adjacent cell layers 110. Exemplarily, the plurality of first connecting pieces 161 and the plurality of second connecting pieces 162 are electrically connected to the electrode poles of the cells through the through holes in the bracket 140. Exemplarily, the positive and negative electrodes of adjacent cells in the same cell layer 110 are located at the same end, and the first connecting sheet is used to connect the positive and negative electrodes of adjacent cells in the same cell layer 110, so as to electrically connect the cells in the same cell layer 110 to each other, and to electrically connect the cells in adjacent cell layers 110 through the second connecting sheet 162, so as to achieve the purpose of electrically connecting the cells in all cell layers 110. Exemplarily, all electrically connected cells enable the cell layer 110 to have a total positive electrode and a total negative electrode. Exemplarily, the first connecting sheet 161 is fixed to the bracket 140 by snaps.

[0087] In one example, if Figure 8 As shown, the third connecting piece electrically connects the total positive electrode of the battery layer 110 with the first fuse 165, the fourth connecting piece 164 electrically connects the total negative electrode of the battery layer 110 with the micro switch 166, and the micro switch 166 is also electrically connected to the first fuse 165 and the output terminal 167. Specifically, the total positive electrode of the battery layer 110 is connected to the output terminal 167 through the third connecting piece 163, the first fuse 165 and the micro switch 166 in sequence, and the total negative electrode of the battery layer 110 is connected to the output terminal 167 through the fourth connecting piece 164 in sequence. Exemplarily, the first fuse 165 is mainly used to prevent abnormal conditions such as overload and short circuit from causing damage to the energy storage system. Exemplarily, the micro switch 166 is mainly used to control the on and off of the circuit.

[0088] In one example, the first connecting piece 161, the second connecting piece 162, the third connecting piece 163 and the fourth connecting piece 164 can be directly welded at corresponding positions, which can reduce structural parts compared to assembling into a battery module, thereby reducing material costs and saving labor hours.

[0089] In one example, if Fig. 9 and Fig.10 As shown, the energy storage system may further include a battery information sampler 170 and a sampling plate 171, the battery information sampler 170 and the sampling plate 171 are arranged on the battery layer 110 relatively, specifically, the battery information sampler 170 and the sampling plate 171 are arranged on the end of the battery layer 110 along the extension direction of the battery, the battery information collector 170 is provided with a plurality of first sampling nickel sheets 172 and a plurality of second sampling nickel sheets 173, the sampling plate 171 is provided with a plurality of third sampling nickel sheets 174, a plurality of fourth sampling nickel sheets 175 and a plurality of second fuses 176, wherein: the first sampling nickel sheet 172 electrically connects the first connecting sheet 161, the second connecting sheet 162, the third connecting sheet 163 and the fourth connecting sheet 164 to the battery information collector 170 respectively; the second sampling nickel sheet 173 electrically connects the battery information collector 170 to the sampling pole 177 of the battery cell; the third sampling nickel sheet 174 electrically connects the first connecting sheet 161 and the second connecting sheet 162 respectively, and electrically connects the fourth sampling nickel sheet 175 through the second fuse 176; the fourth sampling nickel sheet 175 electrically connects the sampling pole 177 of the battery cell. Exemplarily, the voltage and other information on the first connecting sheet 161 and the second connecting sheet 162 at different ends from the battery information collector 170 can be transmitted to the battery information collector 170 through the third sampling nickel sheet 174, the second fuse 176, the fourth sampling nickel sheet 175, the sampling pole 177 of the battery cell and the second sampling nickel sheet 173, which can make the sampling more neat and save work time compared to connecting through cables. Exemplarily, the battery information collector 170 collects information through the first connecting piece 161 and the second connecting piece 162. Exemplarily, the second fuse 176 is mainly used to prevent abnormal conditions such as overload and short circuit from affecting the sampling.

[0090] So far, the introduction to the structure of the energy storage system of the present invention has been completed. A complete energy storage system may also include other component structures, which will not be described one by one here.

[0091] In summary, the wall-mounted parts in the energy storage system of the embodiment of the utility model can simultaneously play the role of strengthening the shell to prevent the shell from deforming and the wall-mounted energy storage system. At the same time, the second channel hole, cavity and opening in the wall-mounted parts can also form a heat diffusion channel with the first channel hole on the shell to discharge the gas and electrolyte inside the energy storage system. The wall-mounted parts can assume multiple functions, thereby avoiding the waste of the internal space of the energy storage system, thereby reducing costs and saving work hours. Exemplarily, it also includes at least one battery layer, explosion-proof valve and protection compartment. The wall-mounted parts can strengthen the shell to prevent the shell from deforming and play the role of tightening and fixing the battery in the battery layer to prevent the battery from deforming. At the same time, the second channel hole, cavity and opening of the wall-mounted parts can form a heat diffusion channel with the explosion-proof valve, the protection compartment and the first channel hole on the shell, so that the gas inside the battery can be released in time when the explosion-proof valve is cracked. The heat diffusion channel can also collect the electrolyte sprayed from the battery when the explosion-proof valve is cracked. Specifically, the electrolyte sprayed from the battery can be retained at the bottom of the cavity of the wall-mounted parts.

[0092] The utility model also provides an electric device, including the battery box or the energy storage system, and the electric device includes electric vehicles, hybrid vehicles, industrial equipment, etc., all of which are within the protection scope of the utility model.

[0093] Unless otherwise defined, the technical and scientific terms used herein have the same meaning as those generally understood by those skilled in the art in the technical field of the present invention. The terms used herein are only for describing specific implementation purposes and are not intended to limit the present invention. Terms such as "setting" appearing in this article may indicate that one component is directly attached to another component, or that one component is attached to another component through an intermediate. Features described in this article in one embodiment may be applied to another embodiment alone or in combination with other features, unless the feature is not applicable in the other embodiment or otherwise specified.

[0094] The utility model has been described through the above embodiments, but it should be understood that the above embodiments are only for the purpose of example and description, and are not intended to limit the utility model to the described embodiments. It can be understood by those skilled in the art that more variations and modifications can be made according to the teachings of the utility model, and these variations and modifications all fall within the scope of the protection claimed by the utility model.

Claims

1. A battery box, characterized in that: include: A shell (120) comprising a first surface and a second surface opposite to the first surface, the first surface being used to arrange a battery core layer (110), and the shell (120) being provided with a first channel hole (121) penetrating the shell; as well as A wall hanging component (150) is arranged on the second surface of the shell (120), and the wall hanging component (150) comprises a second channel hole (151), a cavity, and an opening (154) connected to the cavity, and the second channel hole (151) connects the first channel hole (121) and the cavity.

2. The battery box according to claim 1, characterized in that: The wall hanging component (150) comprises a first reinforcing rib (152) extending along the height direction of the battery box and a wall hook (153) arranged on the first reinforcing rib (152).

3. The battery box according to claim 1, characterized in that: The opening (154) faces the top end of the wall hanging component (150).

4. The battery box according to claim 1, characterized in that: It also includes at least one fixing frame (122) disposed on the first surface of the housing (120).

5. The battery box according to claim 4, characterized in that: Both ends of the fixing frame (122) are provided with folded edges, and the folded edges protrude along the height direction of the battery box.

6. The battery box according to claim 1, characterized in that: The invention also includes a side plate (123), wherein the side plate (123) is connected to the housing (120) and forms a space for accommodating the battery core layer (110) with the housing (120).

7. The battery box according to claim 1, characterized in that: It also includes a cover body (101), a connecting piece (190) and a sealing piece (180), wherein the connecting piece (190) is used to connect the cover body (101) and the shell (120), and the sealing piece (180) is arranged at the connection between the cover body (101) and the shell (120).

8. The battery box according to claim 7, characterized in that: The sealing member (180) comprises a sealing rubber strip, and the connecting member (190) comprises a stepped screw.

9. An energy storage system, characterized in that: The battery box according to any one of claims 1 to 8, wherein the energy storage system further comprises: At least one battery core layer (110), wherein each of the battery core layers (110) includes a plurality of battery cores, and the at least one battery core layer (110) is disposed on the first surface of the shell (120).

10. The energy storage system according to claim 9, characterized in that: Also includes: An explosion-proof valve (130) is arranged on the battery core; A protection chamber (141) is arranged on the battery core layer (110) and covers the explosion-proof valve (130), and the protection chamber (141) is formed with an opening facing the first channel hole (121).

11. The energy storage system according to claim 10, characterized in that: A heat-insulating layer is provided inside the protection chamber (141).

12. The energy storage system according to claim 11, characterized in that: The heat-insulating layer comprises silicon foam.

13. The energy storage system according to claim 10, characterized in that: It also includes a support (140) arranged on the battery core layer (110), the protection chamber (141) being arranged on the support (140), and the support (140) being formed with a through hole for exposing the electrode pole of the battery core.

14. The energy storage system according to claim 9, characterized in that: It also includes a plurality of first connecting pieces (161), a plurality of second connecting pieces (162), a third connecting piece (163), a fourth connecting piece (164), a first fuse (165), a micro switch (166) and an output terminal (167), wherein: The plurality of first connecting sheets (161) electrically connect adjacent battery cells in the same battery cell layer (110); A plurality of the second connecting sheets (162) electrically connect the battery cells in adjacent battery cell layers (110); The third connecting piece (163) electrically connects the total positive electrode of the at least one battery core layer (110) and the first fuse (165); The fourth connecting piece (164) electrically connects the total negative electrode of the at least one battery core layer (110) and the micro switch (166); The micro switch (166) is also electrically connected to the first fuse (165) and the output terminal (167).

15. The energy storage system according to claim 14, characterized in that: It also includes a battery information collector (170) and a sampling plate (171), which are arranged on the battery core layer (110) relative to each other, the battery information collector (170) is provided with a plurality of first sampling nickel sheets (172) and a plurality of second sampling nickel sheets (173), and the sampling plate (171) is provided with a plurality of third sampling nickel sheets (174), a plurality of fourth sampling nickel sheets (175) and a plurality of second fuses (176), wherein: The first sampling nickel sheet (172) electrically connects the first connecting sheet (161), the second connecting sheet (162), the third connecting sheet (163) and the fourth connecting sheet (164) to the battery information collector (170) respectively; The second sampling nickel sheet (173) is electrically connected to the battery information collector (170) and the sampling pole (177) of the battery cell; The third sampling nickel sheet (174) is electrically connected to the first connecting sheet (161) and the second connecting sheet (162), respectively, and is electrically connected to the fourth sampling nickel sheet (175) via the second fuse (176); The fourth sampling nickel sheet (175) is electrically connected to the sampling pole (177) of the battery cell.

16. An electrical equipment, characterized in that: The electrical equipment includes the battery box according to any one of claims 1-8, or includes the energy storage system according to any one of claims 9-15.

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